1、Equipped with wireless remote control multiple limit modes are optional and slow start and slow stop time can be set. 2、The upper limit of the speed and the lower limit of the speed can be set and the total working time can be set. 3、Intelligent LCD screen with backlight can display working time speed percentage current mode etc. 4、Support two?speed control CW speed and CCW speed separate speed regulation. 5、There are 2 modes of manual and automatic are optional.Auto mode is full automatic CW and CCW within the set time.